U428B Description
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U428B is (U427B / U428B) Driver manufactured by Telefunken Microelectronics.
| Manufacturer | Part Number | Description |
|---|---|---|
| U428 | monolithic dual n-channel JFET | |
| U4280BM | AM / FM - PLL | |
| U4285BM | AM / FM - PLL | |
| U4286BM | AM / FM-PLL |
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